рекурсия шереметы 3

#include <iostream>

void func(char *str)
{
    static int len = (int)strlen(str) - 2;
    static char new_str[128];
    static int counter = 0;

    if (len > 0)
    {
        new_str[counter] = *str;
        new_str[counter + 1] = '(';
        counter++;
        len -= 2;
    }
    else if (len < 0 && str[1])
    {
        new_str[counter] = *str;
        new_str[counter + 1] = ')';
        counter++;
    }
    else
    {
        new_str[counter] = *str;
        len--;
    }
    counter++;

    str++;

    if (*str)
        func(str);
    else std::cout << new_str << std::endl;
}

int main()
{
    func("card");
    system("pause");
    return 0;
}